JPS60186192A - Speaker device - Google Patents

Abstract

PURPOSE:To adjust the directivity of a reproducing sound easily by stacking plural cabinets to which a speaker is fitted so that they are movable in circumferential directions and detachable. CONSTITUTION:A cabinet 6 having a woofer is mounted on a bottom decorative laminated sheet, a cabinet 6 having a mid pass speaker 20 is stacked thereupon, and a cabinet 6 having a tweeter 1 is further stacked. Then, a head decorative laminated sheet 11 is palced on it. The respective cabinets 6 are arranged by being moved, for example, as shown by arrows so that the speakers 1, 2, and 20 are at desired positions. Thus, the cabinets 6 are stacked circumferentially movably and detachably, and consequently the speakers are directed in various directions and the directivity is adjusted within a fine range.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a speaker device that allows speaker directivity adjustment and easy attachment and detachment.

[Prior art]

FIG. 1 is a perspective view showing a conventional speaker device, in which (1) is a treble speaker, (2) is a bass speaker, and (3) is a treble speaker (1) and a bass speaker (2). (4)
is the auxiliary board attached to this cabinet (3), (
5) is the front baffle of the cabinet (3). The treble speaker (1), the bass speaker (2), and the auxiliary plate (4) are fixed to the front baffle (5) with screws or the like.

A conventional speaker device is constructed as described above, and for example, the high-pitched speaker (1) is mounted in an interchangeable position with the auxiliary plate (4) to match the actual location of the speaker and the position of the listener in the room. It looks like this.

However, the positions of the treble speaker (1) are limited to two, and the listener cannot freely control the sound played from the speaker device according to his/her preference. Bass speaker (
2) There is a drawback that the directivity of the sound reproduced cannot be adjusted to match the indoor arrangement and listening position. In addition, changing the mounting position requires the work of attaching and removing screws, etc., which is not an easy task.

[Summary of the invention]

The present invention was made for the purpose of improving the above-mentioned drawbacks.
By stacking multiple cabinets equipped with speakers in a movable and removable manner in the circumferential direction, the placement of each speaker can be changed freely, the directivity of the sound being played can be easily adjusted, and it can be adjusted to suit any room condition. The present invention proposes a speaker device that can obtain the optimum reproduction sound field for the listening position.

[Embodiments of the invention]

Fig. 2 is a perspective view showing one embodiment of the present invention, Fig. 3 is a sectional view thereof, Figs. 4 and 5 are partially enlarged views thereof, Fig. 6 is a plan view, and Fig. 7 is a bottom view. be.

In the figure, (6) is a cabinet formed into a cylindrical shape, (7) is a speaker attached to this cabinet (6), and (8) is a mounting plate formed in a convex shape all around the bottom of the cabinet (6). and a convex foot for rotation (9) is a spherical stopper for preventing detachment and rotation formed to be retractable at several locations on the outer periphery of the convex foot (8); and (10) is a spherical stopper for the cabinet. (6) is a spherical stopper for preventing rotation that protrudes from several places around the entire bottom circumference and is retractable;
6) ``Second part'' is a guide groove with a semicircular cross section that is recessed over the entire circumference so as to engage with the spherical stopper (9), and a protrusion (lla) is formed at the upper circumferential end. . (1
2) is a hemispherical guide hole that is recessed in several places to engage with the spherical sleeve (10) over the entire upper circumference of cabinet I-(6); )
(+4) is an air core formed in the center of the cabinet (6), (15) is a speaker cord drawer protruding from this air core (14),
(16) is a spring for holding the spherical stoppers (9) and (10), and (17) is a spherical stopper (1).
The storage case (18) is recessed over the entire circumference of the cabinet (6) so as to store the cabinets 1 to (σ
) A U-shaped groove recessed over the entire circumference of the upper surface, (19) is a concave portion formed to engage with the convex foot (8), and a guide groove (11) is formed on this side surface. ing.

FIG. 8 is a perspective view showing the stacked state, from the top: a cabinet (6) with a high-frequency speaker (1), a cabinet (6) with a mid-bass speaker (20),
and a cabinet with bass speakers (2) (
6) are stacked in three layers. (21) is a head decorative panel installed on the top cabinet (6); (22)
) is a bottom decorative board provided under the lowest cabinet h (6).

In the speaker device configured as above,
When stacking, for example, two cabinets 1 to (6) shown in Fig. 2, the convex feet of L cabinet screws 1 to (6) (
8) into the concave portion (19) of the lower cabinet screw 1-(6) and fit it. At this time, the spherical stopper (9) provided on the convex foot (8) is inserted into and engaged with the guide groove (l), thereby preventing both cabinet doors 1 to (6) from coming off. The guide groove (11) has a protrusion (
lla) is formed, so the spherical diameter of the tube (9
) will be difficult to escape, but if the stacked speaker devices are to be removed, it can be forcibly removed by pushing out the spherical stopper (9) beyond the lea. Further, the guide groove (11) not only prevents separation but also facilitates movement in the circumferential direction.

Next, either the spherical hole (]0) or the hole (12)
The movement of the cabinet saw 1-(6) in the circumferential direction is controlled. Since a plurality of holes 1 to 2 are arranged side by side in the U-shaped groove 18, the placement position of speaker 7 can be freely moved in the circumferential direction by moving the cabinet I46). , the arrangement of the upper and lower speakers (7) can be changed. In this case, since a plurality of guide holes (12) are provided,
The movement of the cabinet (6) can be controlled within a minute range, and the directivity of the speaker (7) can be controlled freely and even with minute displacements.

A stack of these cabinets 1-(6)! As shown in Fig. 8, for a speaker device using an R-type, screw four cabinet screws 1 to (6) that have a bass speaker (2) on the bottom decorative plate (22)-); Stack the cabinet screws 1 to (6) with the bass speaker (20), and then stack the cabinet screw h with the treble speaker (1).
(6), place the head plate (21) on top of it, and each cabinet screw h ('6) is connected to the speaker (]), (2
), (20) are placed at desired positions, for example, by moving them in the direction of the arrow in FIG. .

In addition, in the embodiment described above, the spherical stoppers (9) and (10
), as well as a guide groove (]1) and a kite hole (17,);
However, it is also possible to increase the number of pairs or change the position ``r'' of the concave part (19) and the convex foot part (8) that enters it.
If it is possible. FIGS. 9 to 12 are cross-sectional views of joints showing different embodiments.

Figure 9 shows that by changing the formation position of the convex foot (8), a spherical strike bar (10) and a guide groove (1) are formed.
1) and the position of Gai 1-rei (12) has been changed.

According to this example, hb, gate *++,,<J! Since the groove J) is formed on the outer periphery of the U-shaped groove (I8), it is possible to smoothly move a large cabinet or the like in the circumferential direction.

Figure 10 shows the spherical strips 1 on both sides of the convex foot (8).
9) is provided so as to be retractable, and the guide groove (11) is also recessed on both sides of the concave portion (]9). This makes the movement in the circumferential direction smoother and does not easily come off, making it suitable for large-sized cabinets and speaker devices that can be accessed from ceilings and walls.

Figure 1I shows the one in Figure 1O with 1 more spherical stoppers (10) and 1.0 more chivalry (12), and is suitable for speaker equipment that requires directional controllers 1 to 1. Are suitable.

Fig. 12 shows a convex foot (8) with spherical stoppers (9) and (10), which is a J order, and is suitable for small cabinet screws 1-, etc., which do not take up much volume.

+ 3 I2I, t: and frost °s] 4 + sil
I! - It is a perspective view showing a real 1dh-width 911 with a slit width. In the 13th M, the cabinet (6) has a square prism shape, and in FIG. 14, the cabinet (6) has a triangular prism shape and has two speakers (7). In these speaker devices, the connecting portions are formed in the same manner as in the previous embodiment.

In addition, in the above explanation, the mounting surface of the key A/Bineyl-(6) may be turned upside down, and the same effect as above can be obtained.
? It will be done. In addition, in the embodiment described in -, a case where three cabinets are stacked together is shown, but the number may be 2 or more, and the type of speaker 'JE+ is also not limited. Even in the case of a large-sized speaker, it can be used in a 2-way or more speaker system that handles the high and low ranges separately. , Furthermore, the cabinet (6
) There is no limit to the shape and various shapes can be used, but if it is cylindrical, it can be used as a rectangular parallelepiped cabinet
It is also possible to reduce the diffraction phenomenon that occurs at some of the corners of I piled on top of one another so I could escape! The l-shaped structure allows the speaker to be directed in various directions, and the directivity can be adjusted within a minute range of 1.i.It is also easy to transport because it can be attached and detached freely, and the speakers can be combined easily. It has the effect of allowing you to do it freely.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a conventional speaker mounting, FIG. 2 is a perspective view showing an embodiment of the present invention, and FIG. 3 is a sectional view thereof.
Figures 4 and 5 are partially enlarged views, Figure 6 is a plan view, Figure 7 is a bottom view, Figure 8 is a perspective view showing the stacked state, and Figures 9 to 12 are different implementations. 13 and 14 are perspective views showing other embodiments, respectively. In the figure, (1) is a high-pitched speaker, (2) is a loudspeaker, (6) is a cabinet screw 1-1 (8) is a convex foot, (9) and (10) are a spherical stopper 1 ( 11
) is a guide groove, (12) is a guide hole, (17) is a storage case, (18) is a U-shaped groove, (19) is a concave part, (20) is a mid-bass speaker, (21) is a head. The decorative board (22) is the 21st board with a bottom part. In each figure, the same reference numerals indicate the same or corresponding parts. . Agent Person Rock Increase Δ1゛Figure 1Figure 2Figure 3Figure FuFigure 4Figure 19Figure 5 1 dayFigure 6Figure 7Figure 11

Claims (8)

[Claims] (1) A speaker device and device characterized in that a plurality of cabinets equipped with speakers are stacked downward in a manner that allows them to be moved in the circumferential direction and to be attached and detached. (2) The speaker device according to claim 1, characterized in that an engageable concave portion and a convex foot portion are provided over the entire circumference of the upper and lower surfaces of the cabinet. (3) A retractable first spherical stopper is provided on the side surface of the convex foot, and a retractable second spherical stopper is housed in a U-shaped storage case formed in a donut shape around the convex foot. and a guide groove is provided on the side surface of the concave portion to engage with a first spherical stopper formed in a donut shape,
3. The speaker device according to claim 2, wherein a guide hole is formed in a U-shaped groove formed in a donut shape around the concave portion to engage with a second spherical stopper. (4) The speaker device according to claim 3, wherein a plurality of guide holes are formed at regular intervals around the circumference. (5) The speaker device according to claim 3 or 4, wherein the guide hole is formed in a hemispherical shape. (6) The speaker device according to any one of claims 3 to 5, wherein the guide groove has a semicircular cross section. (7) Claims 3 to 6 characterized in that a protrusion is formed at the upper end of the guide groove over the entire circumference.
The speaker device according to any of paragraphs. (8) The speaker device according to any one of claims 1 to 7, wherein the cabinet is cylindrical or prismatic.